主力资金流入前20：平潭发展流入12.78亿元、网宿科技流入6.82亿元

Core Insights - The main focus of the news is on the significant inflow of capital into various stocks, highlighting the top 20 stocks by capital inflow as of February 5, with notable performances in terms of percentage increase and monetary value [1][2][3] Group 1: Top Stocks by Capital Inflow - Pingtan Development leads with a capital inflow of 1.278 billion, showing a price increase of 10.05% [2] - Wangsu Science & Technology follows with an inflow of 0.682 billion and a price increase of 7.48% [2] - N North Core U has an inflow of 0.666 billion, with a remarkable price increase of 183.33% [2] - Haixia Innovation shows a strong performance with a capital inflow of 0.642 billion and a price increase of 20% [2] - Other notable stocks include 263 with 0.566 billion inflow and a 10.04% increase, and China Merchants Bank with 0.554 billion and a 1.79% increase [2] Group 2: Sector Performance - The stocks listed are from various sectors, including agriculture, internet services, consumer electronics, and cultural media, indicating diverse investment interests [2][3] - The electronic components sector is represented by Fenghua High-Tech with a capital inflow of 0.401 billion and a price increase of 9.99% [3] - Aerospace is represented by Beimo High-Tech, which has a capital inflow of 0.312 billion and a price increase of 10% [3]