China’s top securities regulator has signalled it wants a slower, longer-lasting stock market rally rather than a short-lived speculative surge as it steps up measures to curb excessive trading after activity and margin financing hit fresh highs early this year. The stance, reiterated at a securities watchdog meeting last week, drew renewed attention after regulators moved to cool pockets of overheating in the A-share market following a strong start to 2026. At its January 15 work conference,...