I'm not kinda person just to say HODL HODL HODL!
BUT!
even Dow Jones with 7000 billions of dollar market cap and more than a century old, has falls and failures!
I believe having such corrections mean the market is getting mature and responds to technical indicators. I just had a completely technical analysis on BTC and STEEM couple of days ago (you can see posts on my page)
Don't panic! decentralization is the answer for more power for people against lobbyists and wall street wolves