Microsoft Corp MSFT.O and Apple Inc AAPL.O edged 0.2% lower in premarket trading after gaining more than 1% each on Tuesday. By Devik Jain and Mehnaz Yasmin June 8 (Reuters) - Wall Street's main indexes were set to open lower on Wednesday as a rally in technology and growth stocks from the previous session eased, while higher oil prices stoked worries of a further rise in global inflation. Intel Corp INTC.O dipped 3.2% after a bearish brokerage report from Citi said the chipmaker could make negative pre-announcement or miss second-quarter forecasts as circumstances worsen.