Today's biggest winners and losers in the stock market, a look at the notable movers:
On this episode of Stock Movers:

- Baker Hughes (BKR) shares rose as much as 9.5%, the most in over a year, after the oilfield services firm reported second-quarter earnings per share that beat the average analyst estimate as industrial and energy technology orders increased.

- Universal Health (UHS) shares slump 5.3% postmarket after the hospital operator reported adjusted earnings per share and adjusted Ebitda net of NCI for the second quarter that missed expectations. The midpoint of the hospital operator’s full-year adjusted earnings per share forecast fell short of Wall Street’s estimates.

-Shares of meatpackers Tyson Foods (TSN) and JBS surged after the US said it would resume cattle shipments from Mexico, easing a domestic shortage that has led to higher costs for their animals. The US Department of Agriculture said late Friday that it would start a phased reopening of cattle imports from Mexico, starting with an Arizona port of entry beginning Aug. 24. Shares in JBS jumped as much as 9.8%, the most in 11 months, while Tyson gained 7.5%.