All major U.S. equity indices opened the week with losses, as traders shifted to safe-haven bonds and gold amid concerns affecting the health of the U.S. manufacturing activity. In May, the ISM Manufacturing PMI dropped to 48.7, marking a faster-than-expected contraction. This follows a bleak Chicago PMI report on Friday, which indicated the worst sentiment since May 2020. The CBOE Volatility Index (VIX), known as the market fear gauge, surged by 9% on a day marred by temporary technical glitches affecting several NYSE-listed stocks, including Berkshire Hathaway Inc. (NYSE:BRK) (NYSE:BRK) and …