养殖业板块1月6日涨1.94%，正邦科技领涨，主力资金净流出4127.8万元

Group 1 - The aquaculture sector increased by 1.94% on January 6, with Zhengbang Technology leading the gains [1] - The Shanghai Composite Index closed at 4083.67, up 1.5%, while the Shenzhen Component Index closed at 14022.55, up 1.4% [1] - Key stocks in the aquaculture sector showed various performance metrics, with Zhengbang Technology closing at 3.35, up 3.08%, and trading volume of 2.14 million shares [1] Group 2 - The aquaculture sector experienced a net outflow of 41.28 million yuan from institutional funds, while retail investors saw a net inflow of 122 million yuan [2] - Major stocks like Zhengbang Technology and Juxing Agriculture had significant net inflows from retail investors, despite overall institutional and speculative fund outflows [3] - The trading data indicates varied performance among aquaculture stocks, with some experiencing positive net inflows while others faced outflows [3]