(New York) The New York Stock Exchange was up midday Monday, after taking a break from its longest rally of the year.

The Toronto Stock Exchange was closed for a holiday.

The Dow Jones Industrials Average was up 0.9% and the broader S Index

Berkshire Hathaway stock added 2.8%. The firm managed by the legendary Warren Buffett posted higher than expected profits and revenues in the last period.

The share price of food firm Tyson fell 7.1%. Its results fell short of analysts’ expectations and the company announced the closure of four factories to try to cut costs.

Tesla also hurt the market, with a decline of almost 3%. The company announced the departure of its chief financial officer Zachary Kirkhorn, who had been in the position for four years.

Investors will be watching for new US inflation data to be released later this week.

Inflation fell from 9% last summer to 3% in June. However, several experts believe that the most difficult part remains to be done, to reach the 2% target desired by the Federal Reserve.

On the New York Commodities Exchange, oil prices fell 1.4% to US$87.70 a barrel Monday midday.

Markets were mixed in Asia and Europe.