Coca-Cola Co. has completed the previously announced...

Coca-Cola Co. has completed the previously announced acquisition from Norman Lear and A. Jerrold Perenchio of Embassy Communications for stock and Tandem Productions for cash and assumptions of certain liabilities . . . Pillsbury Co. said it completed its acquisition of Diversifoods . . . Standard & Poor’s lowered its rating of Computervision convertible subordinated debt to B from BB- . . . Spectra-Physics completed the sale of 1.1 million newly issued common shares to Ciba-Geigy . . . Source Capital increased its quarterly dividend to 82.5 cents per common share from 80 cents and declared a preferred stock dividend of 60 cents per share.