Overnight trading on Robinhood showed notable declines for several stocks, with MicroStrategy Inc. (MSTR) down 7.7%, Robinhood Markets Inc. (HOOD) down 7%, and Riot Blockchain Inc. (RIOT) down 6%. Other stocks also experienced losses, including Marathon Digital Holdings Inc. (MARA) at -7.5% and Coinbase Global Inc. (COIN) at -6.5%. In contrast, Dash (DASH) gained 5.5%. Additionally, MicroStrategy announced a new offering of up to $21 billion in 8.00% Series A Perpetual Strike Preferred Stock, which contributed to a 5% decline in MSTR during pre-market trading. The announcement of the $21 billion at-the-market program was confirmed by multiple sources, indicating a significant move by the company.