Why Shake Shack stock is jumping today: Deutsche Bank upgrade lifts SHAK nearly 8%
New York, Jan 6, 2026, 13:52 EST — Regular session Shake Shack Inc shares jumped about 8% on Tuesday after Deutsche Bank upgraded the burger chain’s stock to “buy,” sending the shares back above $90 in regular trading. The stock was last up $6.65 at $90.16, after touching an intraday high of $91.04. TipRanks The call matters because Wall Street…