Core Insights - The optical and optoelectronic sector experienced a slight increase of 0.01% on October 29, with Gobi Jia leading the gains [1] - The Shanghai Composite Index closed at 4016.33, up 0.7%, while the Shenzhen Component Index closed at 13691.38, up 1.95% [1] Stock Performance - Gobi Jia (code: 920438) saw a significant rise of 15.40%, closing at 44.88 with a trading volume of 115,100 shares and a transaction value of 483 million [1] - Weida Optoelectronics (code: 920001) increased by 5.80%, closing at 22.25 with a trading volume of 26,200 shares [1] - ST Hengjiu (code: 002808) rose by 5.05%, closing at 5.82 with a trading volume of 141,900 shares [1] - Wavelength Optoelectronics (code: 301421) increased by 4.86%, closing at 106.97 with a trading volume of 107,000 shares and a transaction value of 1.126 billion [1] - Tengjing Technology (code: 688195) rose by 4.75%, closing at 133.03 with a trading volume of 110,000 shares and a transaction value of 1.421 billion [1] Capital Flow - The optical and optoelectronic sector saw a net outflow of 489 million from institutional investors and 203 million from retail investors, while retail investors had a net inflow of 692 million [2] - The capital flow data indicates that major stocks like Fuzheng Technology (code: 002222) experienced a net outflow of 1.03 billion from institutional investors [3] - Water Crystal Optoelectronics (code: 002273) had a net inflow of 95.36 million from institutional investors, while also seeing a net outflow of 1.19 billion from speculative funds [3]