Accenture, Dollar General, Warby Parker, and other companies are experiencing significant premarket stock movements.

Check out the companies making headlines before the bell:

Dollar General's premarket rally of 5% was driven by better-than-expected full-year sales forecasts, despite quarterly earnings of $2.57 per share being slightly below revenue estimates and same-store sales falling more than expected. Additionally, the company announced a 31% increase in its dividend.

Accenture's premarket trading increased by 5.3% after it surpassed both its top and bottom-line estimates for the latest quarter and predicted current-quarter revenue above analyst forecasts. The consulting firm's earnings per share for the most recent quarter were $2.54, which was higher than the $2.37 consensus estimate.

Signet Jewelers' stock increased by 7.4% in premarket trading after the company released its quarterly earnings report. Despite analyst predictions, Signet's adjusted earnings per share were $5.01, while revenue and same-store sales surpassed expectations. Additionally, the company announced a quarterly dividend increase from 18 cents to 20 cents.

Warby Parker reported an adjusted loss of 8 cents per share, 1 cent smaller than expected, with revenue matching analyst forecasts. Despite this, the eyewear retailer's stock slumped 13.4% in the premarket after forecasting 2022 revenue that fell short of consensus.

Lennar's quarterly earnings of $1.69 per share for its fiscal first quarter fell short of the $2.60 consensus estimate, despite revenue beating analyst forecasts due to strong demand and higher prices. However, the bottom line was negatively impacted by higher costs for materials and labor. In premarket trading, Lennar's stock price increased by 1%.

Williams-Sonoma surpassed analyst expectations with an adjusted $5.42 per share in its latest quarter, despite revenue falling slightly short of estimates. The company successfully navigated supply chain challenges and material and labor shortages. Williams-Sonoma's stock price increased by 7.6% in the premarket.

PagerDuty's latest quarter saw a 4 cent loss per share, 2 cents below analysts' expectations, but its revenue surpassed Street forecasts. The company also issued an optimistic revenue forecast, causing its stock to rise 13.6% in premarket trading.

Berkshire Hathaway (BRK.B) has purchased an additional 18.1 million shares of Occidental Petroleum (OXY), increasing its stake in the energy producer to 136.4 million shares or approximately 14.6%. The stock price of Occidental increased by 3.6% in premarket trading.

Although GES's quarterly earnings of $1.14 per share were one cent below estimates, the apparel maker's revenue also fell short of Street forecasts. However, profit margins were better than anticipated, and the stock jumped 4.9% in the premarket.