Top gainers in the stock market are identified by calculating the percentage increase in the price of a stock over a specific period, typically within a single trading day.

Stocks with the highest percentage gains are ranked as top gainers. Financial platforms, stock exchanges, and trading apps often display these rankings in real-time or at the end of the trading session. The data is usually filtered by market capitalization, sector, or index to provide more context.

Top gainers are often influenced by factors such as positive earnings reports, favorable news, sectoral trends, or broader market optimism. Analysts and investors use this data to identify potential opportunities or trends. However, it’s important to note that top gainers are based on past performance and do not guarantee future results. Traders should conduct further analysis, considering fundamentals, technical indicators, and market conditions, before making investment decisions. Monitoring top gainers can also help investors understand market sentiment and identify sectors or stocks gaining momentum.