Comerica said it will exchange each share of Sterling common stock for 0.2365 shares of Comerica common stock when the deal closes in the middle of 2011.
Comerica shares are down 7.9%, or $3.34, to $38.91.
Comerica (CMA) shares are lower after it unveiled a deal to buy Sterling Bancshares (SBIB) for a little over $1 billion in a stock-swap deal in an effort to expand its bank business in Texas, MarketWatch reports.
