BEIJING (Reuters) - A flurry of economic data from China on Monday is expected to show its post-pandemic bounce is quickly fizzling out, raising expectations that Beijing needs to unveil more stimulus measures soon to shore up activity and shaky consumer confidence. China's central bank will use policy tools such as the reserve requirement ratio (RRR) and medium-term lending facility to weather the challenges, a senior bank official said on Friday. Aggressive easing could also trigger more capital outflows from China's struggling financial markets and pressure the yuan currency, which recently skidded to eight-month lows