Autozone Inc, Costco, Hewlett Packard Enterprise Company and other stocks published their quarterly earnings. Here's what you need to know.

The leading indices are dropping — Dow Jones slipping 0.78% and closing at 32,800. S&P 500 drawing back 0.76% to 4,173.62.

3Rd quarter earnings season is mostly over, with Advance Auto Parts Inc and Pure Storage, Inc. releasing their earnings reports just this week.

What is an earnings report?

An earnings report is an official statement of a company's profitability over a certain period of time. Usually, these reports are released four times a year (quarterly reports) and have a significant impact on the market. These announcements are typically taken into consideration when making predictions.

Markets are down, stocks have released their quarterly earnings reports. Have a look at this rundown.

Autozone: falls short of estimations

Autozone Inc reported earnings of 31.73 per share and revenue at $3.87 billion.

The aftermarket automotive parts supplier drops 4.06% in early trade and remains within touching distance of the $2,355 level. Current trading volume stands at 285,331; 181% higher than the 21-day average of 157,689.

Costco: fails to meet forecast

Costco reported earnings of 2.93 per share and revenue at $53.65 billion.

Although Costco increased from $508.03 to $513.28, the stock dropped back and is now priced at $511.8.

The wholesale giant has gained 12.08% since its lowest print of $446.69 earlier this year. So far this year, it has been under-performing the Nasdaq by 8.13%. The wholesale company's market cap currently stands at $226.84 billion with an average daily volume of 1.88 million shares.

Hewlett Packard | Retains downward momentum since earnings report yesterday

The company reported earnings of 0.19 per share yesterday, falling short of expectations of 0.49. Revenue was also lower than expected at $6.97 billion versus $7.31 billion. Since the release of its earnings report, Hewlett Packard lost 5.54%

Tough session sees the IT giant shedding 6.64% in early trade

Workday: mixed results

Workday reported earnings results Thursday, with EPS at -0.17 and revenues at $1.68 billion; these results are mixed when compared to a consensus of 1.12 Earnings Per Share and $1.67 billion revenue. Since the release of its earnings report, Workday gained 6.81%.

A mostly flat day so far for the cloud applications for finance and human resources provider, range-bound between $206.48 and $210.78 and currently at $209.56.

Ralph Lauren: rises above expectations

Ralph Lauren released its quarterly earnings Thursday, beating analysts estimates. The company reported earnings of 0.9 per share on revenue of $1.54 billion, topping estimates of 0.61 per share on revenue of $1.47 billion. Since the release of its earnings report, Ralph Lauren lost 2.67%.

Tough session sees the renowned fashion company shedding 3.65% in early trade