US STOCKS-Wall St to rise after selloff; earnings in focus
* Berkshire Hathaway shares up after results
* Michael Kors shares reverse move, fall 3.1 pct
* Diamond Offshore weighs on Loews earnings
* Futures up: Dow 27 pts, S&P 4 pts, Nasdaq 10 pts (Updates prices)
By Rodrigo Campos
NEW YORK, Aug 4 (Reuters) - U.S. stocks were set to bounce back at the open on Monday following the benchmark S&P 500's worst week since 2012, as a scant U.S. economic calendar kept the focus on earnings and Portugal was set to bail out its largest publicly traded bank.
* Portugal will spend 4.9 billion euros ($6.58 billion) to rescue Banco Espirito Santo, its largest listed lender, testing the euro zone's resilience to another banking crisis just months after Lisbon exited an international bailout.
* Warren Buffett's Berkshire Hathaway Inc said Friday second-quarter profit soared 41 percent to a record high due to substantial investment gains and improved results in manufacturing, service and retail businesses. The company's class B shares gained 1.7 percent in premarket trading.
* Shares of Michael Kors fell 2.9 percent in trading before the market opened. Earlier, the shares had jumped more than 10 percent following results that showed a 43 percent rise in quarterly revenue. Continuación...