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Stock Market 8 January 2026

Ciena stock tumbles 14% as AI-networking names retreat — what investors watch next

Ciena stock tumbles 14% as AI-networking names retreat — what investors watch next

New York, Jan 8, 2026, 13:42 EST — Regular session Ciena Corp shares were down about 14% at $222.73 on Thursday, after ending Wednesday at $259.27 and touching $260 earlier in the session. Roughly 2.8 million shares had changed hands by early afternoon. Optical peer Lumentum Holdings fell about 11% and Coherent slid roughly 9%, while Arista Networks was down about 5%.
Nvidia stock slides on China H200 prepayment push as investors weigh export risk

Nvidia stock slides on China H200 prepayment push as investors weigh export risk

NEW YORK, January 8, 2026, 14:25 EST — Regular session Nvidia shares fell about 2.7% on Thursday after the AI chipmaker tightened payment terms for its H200 processors sold into China, demanding full upfront payment and barring cancellations or refunds, sources briefed on the matter told Reuters. The stock traded at $184.03, near the day’s low of $183.86. Beijing has asked some tech companies to pause H200 orders while regulators decide how many domestic chips buyers must purchase alongside each order, the report said. Reuters
Merck stock climbs on Wolfe upgrade as Cidara deal closes and Gardasil questions linger

Merck stock climbs on Wolfe upgrade as Cidara deal closes and Gardasil questions linger

New York, Jan 8, 2026, 13:46 EST — Regular session Merck & Co shares rose 1.5% to $110.20 in afternoon trading on Thursday after Wolfe Research upgraded the drugmaker, outpacing a softer health-care sector. The stock traded as high as $112.08 and as low as $107.94, while AbbVie slid about 3.9% and the S&P 500 ETF was little changed.
Bitcoin price today steadies near $91,000 as Strategy stock climbs on MSCI index reprieve

Bitcoin price today steadies near $91,000 as Strategy stock climbs on MSCI index reprieve

NEW YORK, Jan 8, 2026, 14:11 EST — Regular session Bitcoin steadied on Thursday after an early dip, while shares of Strategy rose with other crypto-linked stocks as investors digested MSCI’s latest move on index eligibility. Bitcoin was up about 0.4% at $91,152, after touching $89,312 earlier in the session, while Strategy gained about 4.7% and Coinbase added about 0.6%. Marathon Digital rose about 3.8%, while Riot Platforms slipped about 0.5%.
Exxon Mobil stock (XOM) rises as filing flags Q4 upstream hit from weaker crude; Jan 30 next

Exxon Mobil stock (XOM) rises as filing flags Q4 upstream hit from weaker crude; Jan 30 next

NEW YORK, Jan 8, 2026, 13:46 EST — Regular session Exxon Mobil shares rose 3.3% to $122.42 by 1:46 p.m. EST on Thursday after the oil major said weaker crude prices could shave $0.8 billion to $1.2 billion off fourth-quarter upstream earnings versus the prior quarter. In the same filing, Exxon said stronger industry margins in its Energy Products segment could add $0.3 billion to $0.7 billion. Exxon Mobil Corporation
Silver price stock SLV slides as index rebalance selling kicks in ahead of U.S. jobs report

Silver price stock SLV slides as index rebalance selling kicks in ahead of U.S. jobs report

NEW YORK, Jan 8, 2026, 13:51 — Regular session Shares of iShares Silver Trust fell 3.5% to $68.50, extending a slide in silver-linked assets as the metal came under fresh selling pressure. Peer ETF abrdn Physical Silver Shares dropped 3.4%, while silver miners First Majestic Silver, Pan American Silver and Wheaton Precious Metals were down between 0.4% and 1.0%.
Dow Jones ETF DIA rises as tech slips and Trump defense headlines jar Wall Street before payrolls

Dow Jones ETF DIA rises as tech slips and Trump defense headlines jar Wall Street before payrolls

New York, January 8, 2026, 13:49 EST — Regular session The SPDR Dow Jones Industrial Average ETF Trust rose 0.6% to $492.73 in afternoon trade on Thursday, tracking a gain in the Dow as investors bought steady “old economy” names and trimmed big tech. The Dow was up 304 points, or 0.6%, around midday, while the Nasdaq slipped as heavyweight tech stocks fell. “It’s too soon to call it a broadening of the rally beyond tech stocks,” said Joe Saluzzi, partner and co-founder at Themis Trading. Reuters
8 January 2026
Why Westlake stock is jumping today after its ACI deal filing

Why Westlake stock is jumping today after its ACI deal filing

NEW YORK, Jan 8, 2026, 13:30 EST — Regular session Westlake Corp shares jumped 7.4% in early afternoon trading on Thursday, extending a sharp intraday rebound after the chemical maker disclosed it had completed an acquisition in its compounds business. The stock was up $5.51 at $79.98, after ending Wednesday at $74.47.
8 January 2026
UnitedHealth Group Incorporated stock rises as House summons insurer CEOs; investors eye two January dates

UnitedHealth Group Incorporated stock rises as House summons insurer CEOs; investors eye two January dates

New York, January 8, 2026, 13:30 — Regular session UnitedHealth Group Incorporated shares rose on Thursday after U.S. House lawmakers invited the CEOs of major health insurers to testify on January 22 about coverage affordability, as Republicans debate whether to extend Affordable Care Act subsidies and President Donald Trump has said he plans to meet insurers. The stock was up 1.3% at $346.11 by early afternoon, after trading between $339.99 and $347.79. CVS Health, Cigna and Elevance Health, also named for the hearing, were higher. Reuters

Stock Market Today

  • Rolls-Royce Flags Defence Spending Tailwind, Bombardier Tie-Up and Board Changes
    July 3, 2026, 9:31 PM EDT. Rolls-Royce Holdings (LSE:RR.) is set to benefit from a boost in UK government defence spending, with focus on advanced warfare and propulsion tech. The company points to upside for its defence engines and support projects. Rolls-Royce struck a deal with Bombardier to step up aircraft engine monitoring. The board is bringing in new non-executive directors to strengthen governance. The stock is up 25.7% for the year, sitting 5.1% above analysts' targets and running 58.7% above estimated fair value, making valuation look stretched. Forecasts point to earnings dropping by 3.1% a year over the next three years, putting sustainability of recent gains in question. Investors are watching how defence contracts, the Bombardier partnership, and board moves will hit revenue, margins, and cash flow.
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