Canadian weed company Cronos Group Inc CRON.TO tumbled 13% as its quarterly revenue fell short of estimates and it flagged higher costs. The tech-heavy Nasdaq .IXIC fell over 1% after a dismal forecast from Micron Technology MU.O dragged chip and technology stocks lower. By Johann M Cherian Aug 9 (Reuters) - Canada's main stock index slid on Tuesday as technology shares fell sharply mirroring Wall Street peers, with investors on edge ahead of key inflation data that could set the tone for U.S. monetary policy tightening plans.