Shopify shares tumble on earnings forecast, short seller claims

 
Shopify’s share price sagged at much as 13 per cent in early morning trading Tuesday following the company’s posting of third-quarter financial results.  It finished the day at $128.26 on the TSX, down 8.5 per cent.
Why such a steep decline? After all, the seller of e-commerce technology on Tuesday published better-than-expected revenues of $171.5 million (all figures U.S.) for the quarter ended Sept. 30 — well in excess of analysts’ projections of $166 millio