The popular opinion now is buy the coins that are down, and when the market recovers that you'll be in profit. While that saying is correct but that doesn't go for all coins. Don't go buying every coins you see losing value just because you think when the market bounces up, they'll follow. Majority are losing value because people are seeing them for what they truly are which are just a waste of investment and time, also a ticking time bomb waiting to explosed.
The memes you all are rushing to buy today most probably will die with this market and won't be much of a sort after coin when the next bull run comes same goes for the Defi, NFT, launchpad projects you're all rushing to get them cheap not knowing you're buying a waste. Choose wisely, follow up the project. See if their developers are working on something or just hiding behind the now popular saying, the market is unfavorable.
Project with visions uses the bear market to build as they'll be getting less distracted with the whole when moon or when binance question for those not listed there yet. The current market situation present an opportunity to research properly and invest wisely, take notes.
A good altcoin project should have a solid road map, real-life utility and a transparent team. Always make it a habit to read and analyze extensively their whitepaper. It will provide you with a summary of their missions and visions. One best example of an altcoin project that fits the above criteria is XSN, the native currency of Stakenet. I invite you to check them out.