European stock markets are expected to decline after Snap's earnings alert. The Eurostoxx 50 opened at 3,708.39 points (+1.40%), the CAC 40 at 6,358.74 points (+1.17%), the DAX 40 at 14,175.40 points (+1.38%), the FTSE 100 at 7,513.44 points (+1.67%), the SMI at 11,466.28 points (+1.39%), the AEX  at 694.02 points (+1.62%), the BEL 20 at 3,938.45 points (+0.39%), the IBEX 35 at 8,625.80 points (+1.67%), the DJIA at 31,880.24 points (+1.98%), the Nasdaq at 11,535.27 points (+1.59%), the S&P 500 at 3,973.75 points (+1.86%) and the Nikkei 225 at 26,776.14 points (-0.83%).

As regarding exchange rates, the change from the close in New York indicates that EUR/USD is at 1.0671 (-0.20%), EUR/JPY at 136.19 (-0.42%) and USD/JPY at 127.66 (-0.19%).

The manufacturing and services PMIs in May, as well as the business climate for the same period, will catch investors' attention on Tuesday. On the corporate side, numerous general meetings will be held, including those of Air France-KLM, Crédit Agricole SA, Valeo, Ipsen, Vallourec and Altarea. European equity markets are expected to open lower on Tuesday, due in part to Snap's earnings warning. At 7:35 a.m., the CAC 40 futures contract was down 33 points, or 0.5%, according to data from broker IG Markets. The CONTRACT on the DAX 40 gave up 70 points, or 0.5%, and the ftse 100 contract gave up 44 points, or 0.6%. Snap shares plunged 31% on Monday in trading following wall street's close, as the parent company of the social network Snapchat lowered its earnings forecast for the quarter to the end of June.

The actions of other social networks, dependent on advertising, lost ground after Snap's announcements. Facebook's parent company, Meta Platforms, dropped 7.1% after the close, Pinterest fell 12% and Twitter fell 3.7%. Also penalized by Snap's alert, Asian stock markets are trading in the red on Tuesday. At the end of the session, the Nikkei index lost 0.9% in Tokyo, the Hang Seng index in Hong Kong gave up 1.6% and the Shanghai Composite lost 1.3%.

Economists polled by the Wall Street Journal anticipate a slight slowdown in growth in manufacturing and services activity for the eurozone compared to April. The manufacturing PMI is expected to reach 54.6, compared to 55.5 in April, a level that was already a 15-month low. Economists expect the services PMI to fall less sharply to 57.5 in May from 57.7 in April. Above 50, these indices reflect an expansion in activity compared to the previous month. On Monday night, Wall Street ended higher, buoyed by the financial sector after optimistic forecasts from JPMorgan. The Dow Jones Index (DJIA) rose 2% to 31,880.24 points, and the broader S&P 500 index advanced 1.9% to 3,973.75 points. The Nasdaq index, rich in technology stocks, gained 1.6% to 11,535.27 points.

US Treasury bonds underwent a new sell-off on Monday, allowing the yield on the ten-year stock to rise above 2.8%, amid a rebound in equity markets. U.S. sovereign debt rates have risen sharply since the beginning of 2022, due to investor concerns about inflation and the U.S. Federal Reserve's (Fed) muscular response to its acceleration.

The euro retreats Tuesday morning against the dollar, risk aversion, fueled by the decline in US equity futures and most Asian stock exchanges, reinforcing the greenback's attractiveness as a safe haven. JPMorgan points out that the dollar has been tested recently but is expected to regain strength, referring to the idea that good or bad economic conditions, but not average, support the currency.

Oil contracts are losing ground Tuesday morning. Around 7:20 a.m., the July Contract for North Sea Brent lost 71 cents to $112.71 a barrel. The same maturity on light sweet crude (WTI) listed on the Nymex was down 69 cents, at $109.60 a barrel.