(Yicai Global) Nov. 20 -- China's Stock Markets extended Friday's downtrend at opening today, with main indexes bottoming out at lows unknown since October, before the market, especially small-cap companies, then bounced from the slough.

Only four sectors were up at the lunch bell as electronic equipment and agriculture led the pack, respectively rising 0.85 percent and 0.75 percent.

Financial sectors choked after their stellar showing on Friday. Securities brokerages dropped 1.95 percent, with insurance down 1.29 percent and banking off 0.29 percent.

The Shanghai Composite Index sidled down 0.81 percent to 3,355.58 points at the intermission, with CNY138.6 billion (USD20.89 billion) flipped. The Shenzhen Component Index closed at 11,264.36 points, down 0.25 percent, with turnover of CNY157.2 billion.

The Growth Enterprise Index, mostly comprising small-cap companies, struggled to end up at 0.09 percent to 1,835.49 points, after reaching a perigee unseen in nearly three months.