Robinhood is trading 3.54% down at ARS 6,000 as crypto and broader markets sell off. - Bitcoin is down 2.80% and Ethereum 4.90% since the prior close; major U.S. indices are also lower. - Reports link the crypto decline to rising oil and Treasury yields, geopolitical concerns, and leveraged long liquidations. - Robinhood announced a $25 million Bitcoin purchase, described as relatively small and not a cause of the decline.