Ningbo Joyson Electronic rises on share repurchase plan
** Shanghai shares of Ningbo Joyson Electronic Corp 600699.SS rise 7.7% to 20.87 yuan, on course for their biggest one-day pct gain since October 16
** Stock touches the highest level since October 30
** Hong Kong-listed stock climbs 7.4% to HK$10.58, on track for its biggest one-day pct gain since October 16
** China-based intelligent automotive technology solutions provider says it plans to buy back A shares for 150-300 million yuan ($22.44-$44.87 million)
** YTD, Shanghai stock down 34.8%, Hong Kong shares down 44.7%, while benchmark CSI300 Index .CSI300 down 12.4%
($1 = 6.6856 Chinese yuan renminbi)