"Trend is your friend" is a common saying in trading that highlights the importance of following market trends. Trading with the trend involves identifying the direction of the market and making trades that align with that direction. By doing so, traders can take advantage of the momentum of the market and increase the likelihood of making profitable trades. However, it's important to remember that trends can change quickly, and traders should always be prepared to adapt to changing market conditions. Additionally, traders should use technical analysis tools to confirm trends and avoid making trades based solely on gut feelings or emotions. By following the trend and using sound analysis, traders can increase their chances of success in the markets.