If the stocks purchased account for more than 60% of the total personal funds, it is considered a heavy position. A heavy position means that during financial transactions, a high proportion of the money in the financial account enters the financial market and a small proportion of the financial account balance.
Full position: buy stocks with all the funds; lighten the position: sell some stocks, but not all; heavy position: the share of funds is larger than stocks; light position: the share of funds is larger than stocks;
Short position: Sell all the stocks you hold and turn them into funds.