China stocks rallied to their best day in 16 years, with related U.S. ETFs also soaring after recent economic stimulus buoyed investor optimism in the market. The Shanghai Composite rallied 8.06% in its best day since September 2008,

A relentless slump in Chinese equities has pushed star money managers out of jobs, left investors saddled with losses and driven a 40% drawdown in active fund assets from their peak. Yet one corner of the market has been booming.

Chinese equities on Monday posted their single best day since the 2008 global financial crisis as investors raised their bets on increased momentum from a stimulus package promised by Beijing. China’s blue-chip CSI 300 index of Shanghai- and Shenzhen-listed companies soared 8.