Yes, those boundaries got stretched a bit during the late 90s. More than $300B in mutual fund money follow the indexes so those definitions probably matter most to the index managers.
Here's another source of funds flow information.
Stock Mutual Funds Saw $1.48 Billion Outflow Tuesday-Thursday TrimTabs
Tuesday May 27, 4:09 pm ET
By Michelle Rama, Of DOW JONES NEWSWIRES
NEW YORK -(Dow Jones)- Investors took $1.48 billion out of stock-based mutual funds Tuesday through Thursday, according to TrimTabs.com Investment Research.
By contrast, investors added $1.25 billion to bond-based mutual funds during the same period, TrimTabs said.
International stock funds accounted for most outflows from equity funds, as investors withdrew $1.4 billion. Domestic stock fund investors contributed $79 million.
Among domestic stock funds, aggressive growth fund investors redeemed $569 million, and growth and income funds lost $166 million in investments, while investors contributed $656 million to growth funds.
The Dow Jones Industrial Average gained 1.2% during the same period, while the tech-heavy Nasdaq Composite Index added 0.1%. The Standard & Poor's 500 index rose 1.2%.
In bond funds, corporate bond funds saw inflows of $690 million, government and Ginnie Mae funds added $563 million, and high yield funds lost $4 million. Municipal bond fund investors redeemed $65 million, and hybrid funds, which invest in both stocks and bonds, took in $69 million.
TrimTabs.com, Santa Rosa, Calif., computes its estimates by directly tracking the cash flow of 679 stock funds and 291 bond funds through a computer model.
The results are meant to approximate the inflow and outflow for the much larger set of funds - 4,750 stock funds and 2,522 bond and hybrid funds - tracked by the Investment Company Institute, an industry trade group in Washington.