S&P 500 futures were up 0.12%, Dow Jones Industrial Average futures climbed 0.11%, and Nasdaq futures increased 0.2%.
Apple, the world's largest company and the biggest weight on the S&P 500, will report after markets close on Tuesday. The recent launch of the iPhone 7 and Samsung's recent troubles with its Note 7 are expected to boost sales. However, the company is still expected to report its third straight quarter of declining revenue for the iPhone.
Investors had plenty of other earnings to process as they awaited Apple's earnings. Procter & Gamble (PG) - Get Report moved more than 2% higher in premarket trading after topping earnings estimates in its fiscal first quarter. The consumer goods company earned an adjusted $1.03 a share, a nickel above forecasts. Sales of $16.52 billion exceeded estimates of $16.48 billion. Procter & Gamble maintained its full-year guidance of 2% sales growth.
DuPont (DD) - Get Report reported a better-than-expected quarter and boosted its full-year profit estimates. The company expects adjusted earnings of $3.25 a share, up from its previous guidance range of $3.15 to $3.20 a share. The chemicals company more than doubled its adjusted earnings in its September-ended quarter, posting profit of 34 cents a share. Analysts expected 21 cents a share.
Visa (V) - Get Report was on watch after reporting a jump in quarterly profit thanks to an increase in credit card spending over its recent quarter. The company earned an adjusted 78 cents a share in its fourth quarter, 5 cents higher than analysts expected. Growth was partly attributed to its purchase of Visa Europe.
Lockheed Martin (LMT) - Get Report was active after breezing past third-quarter estimates and forecasting full-year growth in the high single-digit range. The defense company earned an adjusted $3.61 a share over its recent quarter, up from $2.42 a share in the same period a year earlier and above analysts' estimates of $2.89. Lockheed martin anticipates a 7% increase in fiscal 2017 sales.
Caterpillar (CAT) - Get Report fell more than 2% in premarket trading after forecasting little growth next year. The manufacturing equipment company said it expects full-year 2017 revenue "not significantly different" than its 2016 projections. The company anticipates 2016 revenue to come in at $39 billion, below consensus of $40.1 billion. Analysts had anticipated fiscal 2017 revenue to climb to $39.27 billion.
Freeport-McMoRan (FCX) - Get Report rose more than 1% after swinging to a profit in its third quarter. The miner earned net income of $217 million, up from a loss of $3.8 billion a year earlier. However, adjusted earnings of 13 cents a share missed estimates of 20 cents.
Under Armour (UA) - Get Report climbed 1% after lifting its share of the footwear market over the recent quarter. The workout apparel retailer reported a 28% increase in third-quarter profit, while revenue rose 22%. Earnings-per-share of 29 cents came in higher than estimates of 25 cents.
Sprint (S) - Get Report fell more than 1% despite a better-than-expected quarter. The telecommunications company narrowed quarterly losses to $142 million, or 4 cents a share, from $585 million, or 15 cents, a year earlier. Sprint raised its full-year operating income target to between $1.2 billion and $1.7 billion, up from its previous range of $1 billion to $1.2 billion.