India, Feb. 2 -- Asian shares followed Wall Street futures deep into the red on Monday as chaotic selling in precious metals made for a nervous start to a week that is packed with corporate earnings, central bank meetings and major economic data. Silver lost another 10% at one stage, as Friday's 30% plunge squeezed leveraged positions in what had become a very crowded trade. Dealers said pressure on the UBS SDIC silver futures fund in China added to the rout, with talk of investors having to sell profitable assets to cover margin calls. Adding to the unease was a move by the CME to raise margins on a number of futures contracts, including gold and silver. Oil prices also fell more than 4% as President Donald Trump said over the weekend Ir...