China stocks flat as rebound loses steam; higher oil prices lift Hong Kong
* CSI300 +0.1 pct; SSEC +0.1 pct; HSI +0.6 pct
* Investors divided on China market direction
* HSBC rises after CEO says weighing share buyback
SHANGHAI, April 19 (Reuters) - China stocks ended Tuesday morning roughly flat, as investors were split on whether the country's economic recovery, and thus a market rebound, is sustainable.
But Hong Kong shares joined a regional rally, aided by a rebound in crude prices that was sparked by an oil workers' strike in Kuwait, a major oil producing country.
Both the blue-chip CSI300 index and the Shanghai Composite Index gained 0.1 percent by lunch time, to 3,035.09 points and 3,230.12 points, respectively.
In Hong Kong, the Hang Seng index added 0.6 percent, and the Hong Kong China Enterprises Index gained 0.7 percent.
China stocks have bounced around 15 percent off Feb. 29 lows, lifted by upbeat first-quarter economic data including for industrial output, exports and retail sales.
But China's policy advisers caution that it is too early to call an end to a cycle of easing that began in 2014, while analysts call for deeper, broader economic reforms. Continuación...