Bitcoin (BTC) briefly reached $83,000 on March 30 after a weekend of volatility.BTC/USD recovered most of the weekend downside and is anticipated to open on Monday where it closed on Friday.Dubious market moves have raised suspicions of manipulation by a large-volume entity known as "Spoofy, The Whale" to keep BTC price lower.Keith Alan, co-founder of trading resource Material Indicators, suspects Spoofy has been buying the dip and has bids set down to $78,000.