Chinese tech stocks including majors like Alibaba and Tencent rallied this week, pushing them to highs not seen in more than a year.

It’s been a stellar week for China’s biggest and best-known stocks after years of doom and gloom.Beijing has reassured investors with a long-awaited stimulus blitz designed to revive the world’s second-largest economy after years of stagnant growth.

The People’s Bank of China also made funds available to invest in Chinese shares and help companies buy them back.