 Cronos Group Inc. CRON, 4.99 CRON, 4.07 shares fell 8 in premarket trades Tuesday after the cannabis company posted a narrower-than-expected loss, although its revenue fell short of estimates. Cronos Group said it lost 44.6 million, or 5 cents a share in its second quarter, compared with a loss of 165.49 million, or 48 cents a share, in the year-ago period. 