Movers roundup: Tyson, Monster Beverage

Movers roundup: Tyson shares rise on upgrade; Monster shares fall under mounting pressure

Among the stock activity stories for Friday, Jan. 18, from AP Business News:

— Shares of Tyson Foods Inc. rose after an analyst upgraded the meat company, citing an improvement in the prospect for its beef business.

— Shares of Monster Beverage Corp. fell after three lawmakers again called on energy drink makers to provide greater disclosures about the ingredients they use and evidence to support their marketing claims.