S&P 500 Index opens modestly lower, stays above 3,500

• Wall Street's main indexes opened modestly lower on Tuesday.
• House Speaker Pelosi says changes must be made to Trump's offer on coronavirus aid.
• S&P 500 Communications Services Index trades in the green.

Major equity indexes in the US opened in the negative territory on Tuesday as investors adopt a cautious stance while waiting for fresh developments surrounding the US stimulus talks. As of writing, the S&P 500 was down 0.3% on the day at 3,523, the Dow Jones Industrial Average was losing 0.34% at 38,741 and the Nasdaq Composite was falling 0.12% at 12,074.

Earlier in the day, US House Speaker Nancy Pelosi told lawmakers in a letter that changes must be made to US President Donald Trump's offer on the coronavirus stimulus package if they were to reach an agreement.

Among the 11 major S&P 500 sectors, the Communication Services Index is up 0.4% on the day as the biggest daily percentage gainer in the early trade. On the other hand, the Utilities Index is down 0.62%.

S&P 500 chart (daily)