Allogene Therapeutics (ALLO) said late Monday it plans an underwritten public offering of $175 million common shares, subject to market and other conditions.

Shares sank more than 18% in Tuesday trading and intraday trading volume doubled to over 14.7 million from a daily average of about 7.2 million.

CarMax (KMX) shares slumped 15% amid heavy trading after the company posted Tuesday lower fiscal Q4 adjusted earnings and net sales.

More than 8.0 million shares of the company traded intraday compared with a daily average of about 3.3 million.

Wells Fargo's (WFC) Q1 revenue missed market expectations as Chief Executive Charlie Scharf said Tuesday there will likely be a lag in the pass-through of higher oil prices.

Shares slid 4.3%, with intraday trading volume at over 21.0 million versus a daily average of roughly 17.0 million.

Price: 2.50, Change: -0.56, Percent Change: -18.17