How many dollars did Apple's (AAPL) stock price (unadjusted) open higher (or lower) the day after Samsung's launch event for its first consumer-available foldable smartphone in San Francisco（use search)? (Calculate the difference between the opening price on the next day and the closing price on the day of the event, accurate to two decimal places, using local time for each.)

```reference [{"type":"table-json","id":13}] ``` Apple’s stock opened $0.06 lower the day after Samsung’s foldable-phone launch in San Francisco (Feb 20 2019). The table shows the closing price on the event date and the opening price the next trading day, with the calculated difference accurate to two decimals. Summary of steps and data provenance: 1. Retrieved Apple’s unadjusted closing and opening prices for Feb 20-21 2019 from the internal database . 2. Calculated the difference between the 21 Feb 2019 opening price and the 20 Feb 2019 closing price to obtain the dollar change, producing the final table .