There's no hard-and-fast rule for when stocks split. Some companies split their stock at relatively low prices, while others split after the price passes the $100 mark. Some rarely split, trading well into the triple digits, including shares of Washington Post
Where can you find out about a company's recent stock splits?
One good source is the horse's mouth. Call the company's investor relations department and ask. Here in cyberspace, drop by our Quotes area, where you can look up a stock's price chart, historical prices, and split information.
Here are some more articles on the topic:
To learn more about investing Foolishly, visit our Fool School and our Investing Basics area. Or check out some of our inexpensive and well-regarded online how-to guides (which feature money-back guarantees). You can also learn all about brokerages and find one that's right for you in our Broker Center.