TSX rebounds as technology sector gains over 2%
* TSX ends up 0.5% at 33,942.86 * Tech gains 2.2%, with Shopify up 6% * Services economy shrinks for fourth month (Updates at market close) TORONTO, March 4 (Reuters) – Canada’s main stock index clawed back on Wednesday some of the previous day’s sharp declines as technology shares climbed and the Middle East conflict…