The right time to invest is always now. This is much like the saying on when is a good time to plant a tree? It is always now, and twenty years ago.
With investing, it makes sense to invest a small bit regularly (monthly SIP) for your long term goals. The challenge most people face is that when markets drop like they did recently they panic and either sell out or stop investing.
It is a bit foolish, like not buying when a sale is on. Having said that it makes sense to keep investing, and add more in dips like the ones in early Feb 2018. Keep in mind that markets are still considered overvalued compared to historical PE averages. So make sure you keep some cash available to buy more in case of a serious crash. Read more here on the Feb event.
