(Sharecast News) - Wall Street futures were mixed ahead of the open on Wednesday as traders looked ahead to Micron Technology's earnings after the bell.

As of 1230 BST, Dow Jones futures were down 0.11%, while S&P 500 and Nasdaq-100 futures had the indices opening 0.12% and 0.31% firmer, respectively.

The Dow closed 45.87 points lower on Tuesday amid a sharp tech‑led sell‑off on.

Today's primary focus will be quarterly earnings from chipmaker Micron Technology after the close, with analysts expecting to see earnings of $20.83 per share on revenues of $35.75bn. Micron shares hit a new all-time high on Monday and wrapped up Tuesday at $1,051.77 per share.

Elsewhere on the corporate front, Trip.com and Levi Strauss were slated to report their latest quarterly numbers after the close.

On the macro front, US mortgage applications edged up 1% in the week ended 21 June, partially reversing the prior week's 3.8% decline, according to the Mortgage Bankers Association. Applications to refinancing a mortgage, which are more sensitive to short‑term interest rate moves, rose 3% on the week, while applications to purchase a home slipped by less than 1%, continuing a subdued trend amid high borrowing costs and tight supply.

Still to come, May new home sales figures will be released at 1500 BST.

Reporting by Iain Gilbert at Sharecast.com