** Shares of personal computer maker Lenovo 0992.HK jump as much as 9.2% to HK$12.56 to their highest since May 2015

** Stock is second-biggest pct gainer in Hang Seng Tech Index .HSTECH and third-biggest in Hang Seng Index .HSI, which are up 2.8% and 1.5% respectively

** Lenovo is exploring more in-depth cooperation possibilities with DeepSeek, according to a media report

** Huatai Securities expects DeepSeek to help boost commercialization of downstream AI applications and Lenovo is set to benefit as consumers replace PCs with AI PCs

** "We also believe the development of DeepSeek may catalyse the rotation from companies focused on AI infrastructure and hardware (upstream) to AI software and applications (downstream)," HSBC wrote in a research note

** "DeepSeek is a good example of China's innovation ability, which we believe could lead to a market re-rating" - HSBC

** Lenovo stock fell 7.7% last year

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))