On Monday, Cathie Wood-led Ark Invest made a significant move by selling over $12.8 million worth of Grayscale Bitcoin Trust (OTC:GBTC) shares, amidst fluctuating cryptocurrency prices. This decision comes at a time when the crypto market, including Bitcoin (CRYPTO: BTC) and Ethereum (CRYPTO: ETH), is experiencing mixed sentiments. The GBTC Trade Ark sold 395,945 GBTC units through ARK Next Generation Internet ETF (NYSE:ARKW). The transaction was valued at $12.85 million. The Grayscale Bitcoin Trust closed 8.59% lower at $32.46 on Monday. Ark Invest’s decision to offload a substantial portion …