实时新闻：随着伊核协议希望升温及巴西股市下挫，布伦特原油跌破110美元

The price of Brent Crude has slid below $110, influenced by increasing optimism about a potential deal with Iran. Meanwhile, Bitcoin is holding steady above $80,000 as the market anticipates key earnings reports from Microsoft and Amazon, as well as rate decisions from the Federal Reserve, Bank of Japan, and European Central Bank. These events are expected to have significant implications for the financial markets. The stability of Bitcoin is particularly noteworthy, given its recent performance. Investors are cautious, awaiting the outcomes of these major announcements. The interplay between crude oil prices, central bank decisions, and tech earnings will be crucial in determining the direction of the markets. As such, all eyes are on the upcoming events and their potential to impact investor sentiment and asset prices.