Seagen’s stock soars on reported Pfizer buyout interest; Union Pacific shares rally after CEO ouster

Here are some of the most active stocks in the premarket on Monday. U.S. stock futures
ES00,
+0.58%
were pointing to an advance after the worst week for the S&P 500
SPX,
-1.05%
since the period that ended Dec. 9.

Broadmark Realty Capital shares
BRMK,
-2.35%
jumped 19% to $5 after Ready Capital agreed to buy the company in a deal in which Broadmark shareholders will get 0.47 shares of Ready Capital stock. Ready Capital
RC,
-1.57%
shares plunged 12% to $11.02.