China’s policymakers disappointed investors this week with a lack of follow-through on recent monetary policy stimulus measures. They get a second chance this weekend.

Chinese stocks began Tuesday’s session with a bang — an onshore benchmark surged 11% as soon as trading resumed after a weeklong break. But the enthusiasm faded as the day progressed, with the lack of more major stimulus from a key policy meeting disappointing investors.

A highly anticipated press briefing by China's top economic planner fell short of expectations.