* Drugmaker Cronos Group Inc CRON.TO fell 3.3%, the most on the TSX, and the second biggest decliner was Ballard Power Systems Inc BLDP.TO, down 3.1%. * Sentiment was weighed by global stocks falling after a raft of stimulus and inoculation measures fueled a surge in commodity prices and sparked concerns around the prospects of rising inflation. MKTS/GLOB * Locally, Just Energy JE.TO tumbled 25% after the electricity and gas provider forecast a $250 million loss from the impact of winter storms sweeping across Texas and warned of its ability to continue as a going concern.