With U.S. stock futures trading lower this morning on Tuesday, some of the stocks that may grab investor focus today are as follows:

Wall Street expects Levi Strauss & Co. ( LEVI ) to report quarterly earnings at 37 cents per share on revenue of $1.65 billion after the closing bell, according to data from Benzinga Pro. Levi Strauss shares slipped 0.1% to $19.63 in after-hours trading.

Silo Pharma Inc. ( SILO ) shares surged in after-hours trading on Monday following a key intellectual property update tied to its PTSD treatment pipeline. On Monday, the company said the European Patent Office issued a Rule 71(3) communication indicating its intent to grant a patent covering a novel preventative therapy targeting the serotonin 4 (5-HT4) receptor pathway. Silo Pharma ( SILO ) shares climbed 47.6% to $0.52 in the after-hours trading session.

Analysts are expecting Greenbrier Companies Inc. ( GBX ) to post quarterly earnings at 85 cents per share on revenue of $667.02 million. The company will release earnings after the markets close. Greenbrier shares fell 0.1% to $48.30 in after-hours trading.

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Mach Natural Resources LP ( MNR ) priced its secondary public offering of 9 million common units at $13.05 per unit. Mach Natural Resources ( MNR ) shares fell 5% to $13.45 in the after-hours trading session.

Analysts expect Phoenix Education Partners Inc. ( PXED ) to post quarterly earnings at 34 cents per share on revenue of $220.22 million after the closing bell. Phoenix Education Partners ( PXED ) shares gained 0.5% to close at $31.50 on Monday.