Regentis Biomaterials Jumps After Firm Scraps Public Offer

Shares of Regentis Biomaterials Ltd. jumped on NYSE American Monday after the company said in an SEC filing it's withdrawing its Form F-1 registration. The form allows foreign firms to list in the U.S., but Regentis said the offer won't go forward and no shares were sold because the F-1 wasn't effective. RGNT traded up about 677% at $11.65. The session saw the stock swing between $1.51 and $15.43 and over 161 million shares changed hands.